Some brief port-related impressions. All of these games were played on the PS3-
Sunsoft Collection:-Did Waku Waku 7 get a new arranged soundtrack? Haven't played the Saturn version in forever, but it sounds a little different from what I remember.
-Waku Waku 7 has 1-2 second load time before each match. This is the first Neo-Geo online collection game I can think of that does this. Galaxy Fight does not have this.
-Arcade mode, Versus mode, training mode, color edit, and arranged BGM options available.
Basara X:-There's a semi-annoying 3 second load (black screen) before each match. Combined with the prefight screen, that's about 8-9 seconds of waiting. Not Neo-Geo Battle Coliseum horrible, but getting there.
-The two new characters are available from the start!
-There's "Another" option on the characters if you hold down start on them. Not sure if this is for the main characters or the engun (assist) characters. The manual shows it in relation to counters.
-Arcade mode, versus 2P mode, versus CPU mode, training mode, challenge mode, and gallery available.
KOF '98 UM:They went all out on this port. Puts Basara X to shame in comparison. Nice quick load times, too!
-The ORIGINAL KOF '98 is included. It's the AES version, so you get all the options.
-480p option.
-2D or 3D backgrounds. This is for EVERY SINGLE STAGE, so even the added 2D backgrounds from the arcade version have 3D counterparts. And they look GREAT! I think the 3D backgrounds look better on an HDTV.
-Original or Arranged soundtracks. There's a TON of music in this game, with additional BGMs I never heard in the arcade version. Stuff like Blue Mary's Blues (vocal!), Psycho Soldier '96, and more. Songs from KOF '95 and '96 have been added, along with a few others.
-O. Leona, O. Iori, Goenitz, and Orochi are definitely playable characters. They were not playable in the arcade version. That brings the roster to a grand total of
64 characters.

-Arcade (Team), Arcade 2P, Arcade Vs. CPU, Single, Single 2P, Single Vs. CPU, Endless, Challenge, Practice, Gallery, and NeoGeo mode (the original '98) available.
-Very much like recent SNK PS2 ports, there's color edit, six different types of filtering options, screen types, and more options available.